[  811.684288][T14765] netdevsim netdevsim270 eni270np1: renamed from eth0
[  811.692914][T14767] netdevsim netdevsim577 eni577np1: renamed from eth1
[  812.385429][T14753] Could not find device with ifindex 2000 in netnsfd 11
[  812.386385][T14753] Could not find netns with fd: 2000
[  812.387482][T14753] Cannot link a netdevsim to itself
[  812.388078][T14753] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).